Prosečne GPS koordinate za poštanski broj 311-0402: 36.643, 140.576
Spisak gradova:
>> Irishikenchou 311-0402, Ibarakiken, Hitachishi, GPS koordinate: 36.6425,140.5755
Spisak gradova:
>> Irishikenchou 311-0402, Ibarakiken, Hitachishi, GPS koordinate: 36.6425,140.5755